$OpenBSD: patch-build_Makefile_in,v 1.2 2015/02/03 13:24:19 pascal Exp $
--- build/Makefile.in.orig	Tue Nov 18 08:57:00 2014
+++ build/Makefile.in	Fri Dec 12 17:18:31 2014
@@ -36,7 +36,7 @@ MASTDIR   = @mastdir@
 
 PKGCONFIGDIR = @prefix@/share/pkgconfig
 
-CFLAGS    = @cflags@ @ccdef@MVM_TRACING=$(TRACING) @ccdef@MVM_CGOTO=$(CGOTO)
+CFLAGS    += @cflags@ @ccdef@MVM_TRACING=$(TRACING) @ccdef@MVM_CGOTO=$(CGOTO)
 CINCLUDES = @cincludes@ \
             @ccinc@@shaincludedir@ \
             @ccinc@3rdparty/tinymt \
